engleski

Stabilizaton of FAPI perovskite on ZnO nanorods

Organometal lead hailde perovskite materials have shown promising properties as active layers for their use in photovoltaic devices [1]. The issue of stability in ambient enviroments still remains a challenge of perovskite thin films due to the degradation when in contact with water molecules [2]. One of the proposed additives for the stabilization of perovskite thin films is polyvinylpyrrolidone [3]. In this work we have studied polyvinylpyrrolidone mixtures with FAPbI3 perovskites and the influence of the polymer on structural stability, morphology and optical propeties of perovskite thin films on nanostructured ZnO thin films. Figure 1 FAPbI3 degradation under the influence of air moist [1] Kojima, A. et al., J. Am. Chem. Soc. 131 (2009) 6050 [2] Niu, G. et al., J. Mater. Chem. 2 (2015) 8970 [3] Yan, J. et al., Sustain. Energy Fuels 3 (2019) 3448

perovskite ; formamidinium lead iodide ; zinc oxide nanorods ; polyvinylpyrrolidone ; stabilization

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